Microscope Checkpoint 2025

A compound microscope has three ________________ which allows different amounts of magnification.

• detail

• magnification

• objectives

• body

Which part of the microscope do you never use under high power?

• Diaphragm

• Coarse adjustment

• Stage

• Fine adjustment

Holds objective lenses; Rotatates to change objectives

• Arm
• Base
• Revolving Nosepiece
• Diaphragm

What does a microscope do?

• Produces a magnified (bigger) image of something too small for the eye to see

• Helps us look at stars

• Produces a smaller image of something too big to see at once

• Helps us look at our teeth

Where on the microscope do you place the slide you are investigating?

• Stage

• Base

• Eye piece

• Light source

Which of the following statements is TRUE about using microscopes responsibly. Pick all that apply.

• I can put whatever I want on the stage, with or without a slide.

• I should only use a lens cloth to clean the eyepiece.

• After using the microscope, I should turn the light source off.

• After using the microscope, I should use the coarse adjustment knob and lower the stage all the way down.

• I should not touch the glass on any part of the microscope.

This part of the microscope is the largest knob and helps to focus the image.

• Coarse adjustment knob

• Fine adjustment knob

• Diaphragm

• Base

When should you use the fine adjustment knob?

• Only on 40X

• When the image is super blurry.

• When the image just needs a little adjustment to focus.

• Only when the microscope is turned off.

Number _______ points to the diaphragm of the microscope, which controls how much light goes through the stage.

• 9

• 10

• 11

• 12

Which picture below shows the safe way to hold a microscope when you are moving it?

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